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6480930 = 235349619
BaseRepresentation
bin11000101110010000100010
3110012021011110
4120232100202
53124342210
6350524150
7106041561
oct30562042
913167143
106480930
113727245
122206656
13145bb91
14c09bd8
15880420
hex62e422

6480930 has 32 divisors (see below), whose sum is σ = 15624000. Its totient is φ = 1720512.

The previous prime is 6480913. The next prime is 6480931. The reversal of 6480930 is 390846.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6480931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10161 + ... + 10779.

It is an arithmetic number, because the mean of its divisors is an integer number (488250).

Almost surely, 26480930 is an apocalyptic number.

6480930 is an abundant number, since it is smaller than the sum of its proper divisors (9143070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6480930 is a wasteful number, since it uses less digits than its factorization.

6480930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6480930 is about 2545.7670749697. The cubic root of 6480930 is about 186.4428688387.

Subtracting from 6480930 its product of nonzero digits (5184), we obtain a palindrome (6475746).

The spelling of 6480930 in words is "six million, four hundred eighty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 349 619 698 1047 1238 1745 1857 2094 3095 3490 3714 5235 6190 9285 10470 18570 216031 432062 648093 1080155 1296186 2160310 3240465 6480930